1388645664

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{2066437}}^1$

素因数の和:2066457

約数の個数: 48

約数和(自身を含む): 4165939008

約数和(自身を除く): 2777293344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 2066437, 4132874, 6199311, 8265748, 12398622, 14465059, 16531496, 24797244, 28930118, 33062992, 43395177, 49594488, 57860236, 66125984, 86790354, 99188976, 115720472, 173580708, 198377952, 231440944, 347161416, 462881888, 694322832, 1388645664]

約数ペア:

[(1, 1388645664), (2, 694322832), (3, 462881888), (4, 347161416), (6, 231440944), (7, 198377952), (8, 173580708), (12, 115720472), (14, 99188976), (16, 86790354), (21, 66125984), (24, 57860236), (28, 49594488), (32, 43395177), (42, 33062992), (48, 28930118), (56, 24797244), (84, 16531496), (96, 14465059), (112, 12398622), (168, 8265748), (224, 6199311), (336, 4132874), (672, 2066437)]